leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'for-5.2-vsprintf-hardening' into for-linus

Browse Source
This commit is contained in:
Petr Mladek
2019-05-06 10:32:45 +02:00
parent 3ec25826ae ce9d3eceb7
commit 35e1547511
3 changed files with 301 additions and 163 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
lib/test_printf.c
View File

@@ -239,6 +239,7 @@ plain_format(void)
#define PTR ((void *)0x456789ab)
#define PTR_STR "456789ab"
#define PTR_VAL_NO_CRNG "(ptrval)"
#define ZEROS ""
static int __init
plain_format(void)
@@ -268,7 +269,6 @@ plain_hash_to_buffer(const void *p, char *buf, size_t len)
return 0;
}
static int __init
plain_hash(void)
{
@@ -325,6 +325,24 @@ test_hashed(const char *fmt, const void *p)
test(buf, fmt, p);
}
static void __init
null_pointer(void)
{
test_hashed("%p", NULL);
test(ZEROS "00000000", "%px", NULL);
test("(null)", "%pE", NULL);
}
#define PTR_INVALID ((void *)0x000000ab)
static void __init
invalid_pointer(void)
{
test_hashed("%p", PTR_INVALID);
test(ZEROS "000000ab", "%px", PTR_INVALID);
test("(efault)", "%pE", PTR_INVALID);
}
static void __init
symbol_ptr(void)
{
@@ -462,8 +480,7 @@ struct_rtc_time(void)
.tm_year = 118,
};
test_hashed("%pt", &tm);
test("(%ptR?)", "%pt", &tm);
test("2018-11-26T05:35:43", "%ptR", &tm);
test("0118-10-26T05:35:43", "%ptRr", &tm);
test("05:35:43|2018-11-26", "%ptRt|%ptRd", &tm, &tm);
@@ -572,6 +589,8 @@ static void __init
test_pointer(void)
{
plain();
null_pointer();
invalid_pointer();
symbol_ptr();
kernel_ptr();
struct_resource();